Seedream 5.0 Lite Testo in Immagine: Testo-in-Immagine preciso con controllo del layout | RunComfy

bytedance/seedream-5/lite/text-to-image

Genera visual ad alta fedeltà da testo o immagini di riferimento con Seedream 5.0 Lite Testo in Immagine, con layout preciso, accuratezza del testo multilingue e controllo dello stile in tempo reale per attività di design di brand, prodotto e marketing.

1. Get started

Use RunComfy's API to run bytedance/seedream-5/lite/text-to-image. For accepted inputs and outputs, see the model's schema.

curl --request POST \
  --url https://model-api.runcomfy.net/v1/models/bytedance/seedream-5/lite/text-to-image \
  --header "Content-Type: application/json" \
  --header "Authorization: Bearer <token>" \
  --data '{
    "prompt": "A vibrant close-up editorial portrait featuring a model with a sharp, piercing gaze, wearing a sculptural hat. Rich color blocking, crisp focus on the eyes, and a shallow depth of field create a striking visual impact. Styled with a Vogue cover aesthetic, captured in medium format, with bold and dramatic studio lighting."
  }'

2. Authentication

Set the YOUR_API_TOKEN environment variable with your API key (manage keys in your Profile) and include it on every request as a Bearer token via the Authorization header: Authorization: Bearer $YOUR_API_TOKEN.

3. API reference

Submit a request

Submit an asynchronous generation job and immediately receive a request_id plus URLs to check status, fetch results, and cancel.

curl --request POST \
  --url https://model-api.runcomfy.net/v1/models/bytedance/seedream-5/lite/text-to-image \
  --header "Content-Type: application/json" \
  --header "Authorization: Bearer <token>" \
  --data '{
    "prompt": "A vibrant close-up editorial portrait featuring a model with a sharp, piercing gaze, wearing a sculptural hat. Rich color blocking, crisp focus on the eyes, and a shallow depth of field create a striking visual impact. Styled with a Vogue cover aesthetic, captured in medium format, with bold and dramatic studio lighting."
  }'

Monitor request status

Fetch the current state for a request_id ("in_queue", "in_progress", "completed", or "cancelled").

curl --request GET \
  --url https://model-api.runcomfy.net/v1/requests/{request_id}/status \
  --header "Authorization: Bearer <token>"

Retrieve request results

Retrieve the final outputs and metadata for the given request_id; if the job is not complete, the response returns the current state so you can continue polling.

curl --request GET \
  --url https://model-api.runcomfy.net/v1/requests/{request_id}/result \
  --header "Authorization: Bearer <token>"

Cancel a request

Cancel a queued job by request_id, in-progress jobs cannot be cancelled.

curl --request POST \
  --url https://model-api.runcomfy.net/v1/requests/{request_id}/cancel \
  --header "Authorization: Bearer <token>"

4. File inputs

Hosted file (URL)

Provide a publicly reachable HTTPS URL. Ensure the host allows server‑side fetches (no login/cookies required) and isn't rate‑limited or blocking bots. Recommended limits: images ≤ 50 MB (~4K), videos ≤ 100 MB (~2–5 min @ 720p). Prefer stable or pre‑signed URLs for private assets.

5. Schema

Input schema

{
  "type": "object",
  "title": "Input",
  "required": [
    "prompt"
  ],
  "properties": {
    "prompt": {
      "title": "Prompt",
      "description": "La lunghezza consigliata non supera le 600 parole in inglese. Se il prompt è troppo lungo, le informazioni possono diventare disperse. Il modello potrebbe ignorare i dettagli e concentrarsi solo sui punti principali, generando un'immagine con elementi mancanti.",
      "type": "string",
      "default": "A vibrant close-up editorial portrait featuring a model with a sharp, piercing gaze, wearing a sculptural hat. Rich color blocking, crisp focus on the eyes, and a shallow depth of field create a striking visual impact. Styled with a Vogue cover aesthetic, captured in medium format, with bold and dramatic studio lighting."
    },
    "resolution": {
      "title": "Risoluzione",
      "description": "Per le opzioni 2K e 3K, il modello determinerà larghezza e altezza. Dovresti descrivere rapporto d'aspetto, forma o scopo nel prompt in linguaggio naturale. Per le altre opzioni, puoi scegliere larghezza e altezza desiderate.",
      "type": "string",
      "enum": [
        "2K",
        "3K",
        "2048x2048 (1:1)",
        "2304x1728 (4:3)",
        "1728x2304 (3:4)",
        "2848x1600 (16:9)",
        "1600x2848 (9:16)",
        "2496x1664 (3:2)",
        "1664x2496 (2:3)",
        "3136x1344 (21:9)",
        "3072x3072 (1:1)",
        "3456x2592 (4:3)",
        "2592x3456 (3:4)",
        "4096x2304 (16:9)",
        "2304x4096 (9:16)",
        "3744x2496 (3:2)",
        "2496x3744 (2:3)",
        "4704x2016 (21:9)"
      ],
      "default": "2304x1728 (4:3)"
    },
    "sequential_image_generation": {
      "title": "Generazione sequenziale delle immagini",
      "description": "Abilita questa opzione per generare le immagini in sequenza.",
      "type": "string",
      "enum": [
        "auto",
        "disabled"
      ],
      "default": "disabled"
    },
    "max_images": {
      "title": "Numero max di immagini",
      "description": "Il numero massimo di immagini da generare. Efficace solo quando sequential_image_generation è impostato su auto.",
      "type": "integer",
      "enum": [
        1,
        2,
        3,
        4,
        5,
        6,
        7,
        8,
        9,
        10,
        11,
        12,
        13,
        14,
        15
      ],
      "default": 15
    },
    "output_format": {
      "title": "Formato di output",
      "description": "Il formato delle immagini in output. Questo determina il formato delle immagini generate.",
      "type": "string",
      "enum": [
        "png",
        "jpeg"
      ],
      "default": "png"
    },
    "optimize_prompt_options": {
      "title": "Ottimizzazione del prompt",
      "description": "Imposta la modalità della funzione di ottimizzazione del prompt. standard: qualità superiore, tempo di generazione più lungo. fast: più veloce, ma con una qualità più media.",
      "type": "string",
      "enum": [
        "standard",
        "fast"
      ],
      "default": "standard"
    }
  }
}

Output schema

{
  "output": {
    "type": "object",
    "properties": {
      "image": {
        "type": "string",
        "format": "uri",
        "description": "single image URL"
      },
      "video": {
        "type": "string",
        "format": "uri",
        "description": "single video URL"
      },
      "images": {
        "type": "array",
        "description": "multiple image URLs",
        "items": { "type": "string", "format": "uri" }
      },
      "videos": {
        "type": "array",
        "description": "multiple video URLs",
        "items": { "type": "string", "format": "uri" }
      }
    }
  }
}
RunComfy
Copyright 2026 RunComfy. All Rights Reserved.

RunComfy is the premier ComfyUI platform, offering ComfyUI online environment and services, along with ComfyUI workflows featuring stunning visuals. RunComfy also provides AI Models, enabling artists to harness the latest AI tools to create incredible art.